Planning applications in Llantwit Major
Last application update 14 Feb 2026
See what's happening with planning in Llantwit Major: 387 planning applications tracked so far.
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Status breakdown
Other (29)
- Withdrawn23
- Granted with conditions4
- Unresolved2
Latest notices
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20 Boverton Brook, Llantwit Major
GrantedFirst floor side extension, garage conversion and single storey rear extension, and widening of the driveway.
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Ringwood House, 1 Ringwood Crescent, St Athan CF62 4LA
GrantedRemoval of front elevation dormer (unauthorised) and proposed replacement (x2) dormers with Juliet balconies
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West Farm Stable, West Street, Llantwit Major
GrantedProposed use of existing access to provide additional car only access to West farm Stable. Existing access through West Farm to be retained for larger vehicles…
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Barns at Siop Newydd, Heol Las, Monknash
GrantedVariation of Condition 1 of Planning Permission 2019/00546/FUL: Conversion of existing barns to 4 no. holiday let units and associated works
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46, Scott Close, St Athan
GrantedWork to Tree covered by TPO No.12 of 2003: 1x Grey Alder situated on the adopted highway - Slight Crown lift and cut back from property
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Picketston House, Picketston
GrantedWork to Tree(s) covered by Tree Preservation Order No. 2 1984: Take down of two dead trees. Yew (taxus baccata) Cedar (cedrus libanai) Both trees situated to…
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Ty'r Wennol, Llantwit Road, St Athan
RefusedReroofing and extending of existing kitchen. New porch to side of property.
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Ogney Brook House, Colhugh Street, Llantwit Major
GrantedWork to Tree(s) covered by Tree Preservation Order No. 3 1977: T1 - Crown reduction of 2-3 meters of one mature beech tree
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Heritage Business Park, Units 14 And 15, Wick Road, Llantwit Major
RefusedChange of use of the building from B8 to D2 for the use of local sports clubs including Archery, Rugby and Football.
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Town Hall, Church Street, Llantwit Major
GrantedDischarge of Condition 4.(section details) 5. (photgraphic survey) for planning ref 2023/00437/LBC - A new internal platform lift to the upper function space…
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Lloyds Tsb Bank Plc, 9 Boverton Road, Llantwit Major
GrantedApplication for the change of use from Lloyds Bank (A2) to Dominos (A3)
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Atlantic College, Forecourt Lodge, East Drive, St Donats
Granted with conditionsLay a EPDM roof on top of the current felt roof, renew lead flashings
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6 Wimbourne Close, Llantwit Major
RefusedRebuild rear dormer Lower from ridge line and set in from boundaries. Removal of 1st floor flat roof from rear extension, lowering the eaves and replacing with…
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6 Penyrheol Terrace, Llantwit Major Road, Llysworney
GrantedDemolition of existing lean-to extensions and new two storey side/ rear extension and porch
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Grove Cottage, Sigingstone
GrantedWork to tree covered by TPO No.57 of 1973: Removal of Multi stemmed Sycamore tree in garden.
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12 Hill Head, Llantwit Major
GrantedProposed single storey rear extension, with renewed flat roof and insertion of roof windows to existing rear single storey structure, insertion of roof lights…
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Lower Monkton, Broughton
GrantedEnhance the existing glamping site, transitioning from two bell tents to two sustainable and permanent shepherd's huts.
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The Old Brewery, Eglwys Brewis Road, St Athan
Granted with conditionsDischarge of Conditions 3. (Ecology) 4. (Landscaping) 5. (Archaeology), 7. (Levels), 8. (Highways), 10. (CEMP), 11 (Road Condition Survey), 12. (Highway…
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Picketston House, Picketston
Granted with conditionsRemoval of gateway pillar and section of stone wall to widen gateway and rebuild
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The Old Courthouse, High Street, Llantwit Major
RefusedProposed two storey rear extension and conversion of existing loft rooms
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23, Boverton Brook, Boverton
GrantedRear dormer extension
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Land to the East of Aston Martin Lagonda and West of Cowbridge Road, Bro Tathan, St. Athan.
GrantedDischarge of Condition 5.(Great Crested Newt) for planning ref 2023/00949/FUL - Demolition of buildings including the removal of hazardous materials,…
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Parc Farm, Parc Farm Lane, St Donats
GrantedDischarge of Condition 4, (Watching Brief) (Part Discharge) and 6. (Landscaping Scheme) for planning ref 2024/00558/FUL - Provision of ménage (60 m x 30 m) for…
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West Orchard Farmhouse, Llantwit Road, St Athan
GrantedRetention of wooden slatted three sided storage unit for logs and black coated aluminium glass greenhouse and proposed storage/gym cabin adjacent to the rear…
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3, The Precinct, Greggs, Boverton Road, Llantwit Major
RefusedVariation of Condition 4 (Opening Hours) of Planning Permission 2020/01506/FUL: Two storey extension to existing retail units for commercial development for…
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To-Hesg, Colhugh Street, Llantwit Major
GrantedReplacement of existing windows.
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24, Grange Gardens, Llantwit Major
GrantedSingle storey flat roof extension to the rear of the detached property.
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Whips Bungalow, Lane - Junction Llanmihangel Road To Junction At Llandough Village, Llandough, Cowbridge
GrantedGround floor side extension to form a 4th bedroom
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Henywen, Llandough, Cowbridge
RefusedConversion of redundant agricultural building into dwelling
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Unit 33, Vale Business Park, Llandow
GrantedProposed change of use from B1, B2 and B8 use to gymnastics centre (Class D2)
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How to comment on a planning application in Llantwit Major
Anyone can have their say on a planning application in Llantwit Major. Find the application on the Glamorgan planning authority's public-access portal using the reference number above, then submit a comment before the consultation deadline. Comments are usually limited to planning matters such as overlooking, loss of light, traffic, noise and the character of the area.
Glamorgan is the local planning authority responsible for deciding applications in Llantwit Major. Town Crier mirrors the public record so you can keep track of what is happening near you, but the council remains the authoritative source and the place to submit formal comments.
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